/*
* Routines to support the NETtel software reset button.
*/
void reset_button(int irq, void *dev_id, struct pt_regs *regs)
{
static int inbutton = 0;
/*
* IRQ7 is not maskable by the CPU core. It is possible
* that switch bounce may get us back here before we have
* really serviced the interrupt.
*/
if (inbutton)
return;
inbutton = 1;
/* Disable interrupt at SIM - best we can do... */
mcf_setimr(mcf_getimr() | MCFSIM_IMR_EINT7);
#ifdef CONFIG_LEDMAN
ledman_signalreset();
#endif
/* Don't leave here 'till button is no longer pushed! */
for (;;) {
if ((mcf_getipr() & MCFSIM_IMR_EINT7) == 0)
break;
}
#ifndef CONFIG_LEDMAN
HARD_RESET_NOW();
/* Should never get here... */
#endif
inbutton = 0;
/* Interrupt service done, enable it again */
mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT7);
}
/*
* Routines to support the NETtel software reset button.
*/
void reset_button(int irq, void *dev_id, struct pt_regs *regs)
{
volatile unsigned long *icrp, *isrp;
static int inbutton = 0;
/*
* IRQ7 is not maskable by the CPU core. It is possible
* that switch bounce mey get us back here before we have
* really serviced the interrupt.
*/
if (inbutton)
return;
inbutton = 1;
/* Disable interrupt at SIM - best we can do... */
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
*icrp = (*icrp & 0x07777777) | 0x80000000;
#ifdef CONFIG_LEDMAN
ledman_signalreset();
#endif
/* Don't leave here 'till button is no longer pushed! */
isrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ISR);
for (;;) {
if (*isrp & 0x80000000)
break;
}
#ifndef CONFIG_LEDMAN
HARD_RESET_NOW();
/* Should never get here... */
#endif
inbutton = 0;
/* Interrupt service done, acknowledge it */
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
*icrp = (*icrp & 0x07777777) | 0xf0000000;
}
